How does KAYAK find such low prices on flights from Ontario to Islip?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Islip. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Islip?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Islip?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Islip?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from Ontario to Islip

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Cheap Flights from Ontario to Islip

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Islip that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Ontario to Islip

Fri, Aug 22 - Wed, Aug 27

7:15 am - 4:15 pmYYZ-ISP

9h 00m1 stop

8:00 am - 11:47 pmISP-YYZ

15h 47m1 stop

$563

Find Deal

Fri, Aug 22 - Wed, Aug 27

7:15 am - 4:15 pmYYZ-ISP

9h 00m1 stop

2:12 pm - 10:58 pmISP-YYZ

8h 46m2 stops

$778

Find Deal

Thu, Jul 31 - Thu, Aug 7

12:35 pm - 8:01 pmYOW-ISP

7h 26m2 stops

11:53 am - 4:58 pmISP-YOW

5h 05m1 stop

$865

Find Deal

Thu, Jul 31 - Thu, Aug 7

4:25 pm - 3:19 pmYOW-ISP

22h 54m2 stops

7:30 am - 6:53 pmISP-YOW

11h 23m2 stops

$874

Find Deal

Thu, Jul 31 - Thu, Aug 7

1:45 pm - 10:58 amYOW-ISP

21h 13m3 stops

7:30 am - 6:53 pmISP-YOW

11h 23m2 stops

$964

Find Deal

Sat, Jun 28 - Sat, Jul 5

9:50 am - 7:36 pmYYZ-ISP

9h 46m1 stop

8:37 pm - 11:47 pmISP-YYZ

27h 10m1 stop

$972

Find Deal

Sat, Jun 28 - Sat, Jul 5

9:15 am - 6:59 pmYYZ-ISP

33h 44m3 stops

7:25 pm - 11:44 pmISP-YYZ

28h 19m3 stops

$1,647

Find Deal

Sat, Jun 28 - Sat, Jul 5

7:15 am - 7:36 pmYYZ-ISP

12h 21m1 stop

8:37 pm - 9:59 pmISP-YYZ

25h 22m2 stops

$1,849

Find Deal

Mon, Dec 1 - Thu, Dec 4

6:52 am - 3:21 pmYYZ-ISP

8h 29m2 stops

7:30 am - 12:40 pmISP-YYZ

5h 10m1 stop

$1,903

Find Deal

Fri, Aug 22 - Sun, Aug 24

8:15 am - 1:24 pmYYZ-ISP

5h 09m1 stop

7:30 am - 12:40 pmISP-YYZ

5h 10m1 stop

$2,006

Find Deal

Useful Info

Cheapest flight	$252

Flight from Ottawa to Islip

How does KAYAK find such low prices on flights from Ontario to Islip?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Islip.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Islip?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Islip?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Islip?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Islip

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Islip

Islip (ISP)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$252 Find Cheap Flights from Ontario to Islip

KAYAK searches hundreds of travel sites at once for deals on flights to Islip

Cheap Flights from Ontario to Islip

Recent round-trip flight deals from Ontario to Islip

Recent one-way flight deals from Ontario to Islip

Good to know

FAQs for booking flights from Ontario to Islip

How does KAYAK find such low prices on flights from Ontario to Islip?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Islip.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Islip?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Islip?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Islip?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Cabin class types available on flights to Ontario

Complete your trip to Islip with a hotel stay or car rental

Find direct flights for Islip

Flights to other popular destinations

Flights from domestic origins to Islip

Choose which airport to fly into in Islip

Find deals for your return flight